PHONON CONTRIBUTION FOR THE LOW-TEMPERATURE SPECIFIC-HEAT OF SOLID C-60 AND K3C60

被引：0
|
作者：
YEPEZ, E
CALLES, A
CASTRO, JJ
SOTO, JR
CABRERA, A
机构：
[1] NATL AUTONOMOUS UNIV MEXICO,FAC CIENCIAS,MEXICO CITY 04510,DF,MEXICO
[2] INST POLITECN NACL,CTR INVEST & ESTUDIOS AVANZADOS,DEPT FIS,MEXICO CITY 07000,DF,MEXICO
来源：
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 1994年 / 235卷
关键词：
D O I：
10.1016/0921-4534(94)92468-6
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We present the result of a theoretical analysis of the phonon contribution to the specific heat for both pure C-60 and alkaline doped K3C60 fullerenes. This is based on the construction of the phonon density of states through the solution of the dynamical matrix, using a Born-Mayer type potential, for the different points in the Brillouin zone. Our results show the contribution to the specific heat for the different modes and in particular we study the low-lying modes coming from intramolecular motions appearing at low temperatures.
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页码：2495 / 2496
页数：2
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